Geekcreit® DIY Christmas Tree LED Flash Kit 3D Electronic Learning Kit

Feature:
–Kit Model: CTR-30 (three-color light) / CTR-30C (Colorful light)
–Operating voltage: DC4.5-5V
–Power supply: 3 AA batteries or USB charger (The adapter does not includes)
–Dimensions: 60 x 136 x 60mm (L x W x H)